Battlemage's Bracers + Vhal, Candlekeep Researcher + Aphetto Alchemist

Prerequisites

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Steps

1. 1Activate Vhal by tapping it, adding at least that can't be spent to cast spells from your hand.
2. 2Activate Aphetto Alchemist by tapping it, targeting Vhal.
3. 3Battlemage's Bracers triggers, causing you to pay to copy Aphetto Alchemist's ability, targeting Aphetto Alchemist.
4. 4Resolve both Aphetto Alchemist abilities, untapping it and Vhal.
5. 5Repeat.

Effects

• Infinite colorless mana that can't be spent to cast spells from your hand
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control